Patent · US Active

High melting PTFE polymers for melt-processing

US9688796B2 · kind B2 · utility

4Cited by

5References

8Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Klaus Hintzer · Woodbury, US
Harald Kaspar · Altötting, DE
Ludwig Mayer · San Jose, US
Tilman C. Zipplies · Burghausen, DE

Key dates

Filing date	Oct 20, 2015
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Oct 20, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D127/18
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Provided are a tetrafluoroethylene copolymers having a melting point of at least 317° C., a melt flow index (MFI) at 372° C. and a 5 kg load (MFI 372/5) of from about 0.60 g/10 min up to about 15 g/10 min. Also provided are methods of forming a shaped article using the copolymers described above, shaped articles made with those copolymers and compositions containing such copolymers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.